package com.cjf.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.cjf.entity.Employee;
import com.cjf.comon.R;
import com.cjf.service.EmployeeService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.DigestUtils;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import java.time.LocalDateTime;

@Slf4j
@RestController
@RequestMapping("/employee")
public class EmployeeController {

    @Autowired
    private EmployeeService employeeService;

    @PostMapping("/login")
    public R<Employee> Login(HttpServletRequest request, @RequestBody Employee employee) {
//        将查询到的员工密码进行md5的加密处理
        String password = employee.getPassword();
        password = DigestUtils.md5DigestAsHex(password.getBytes());

//        根据用户提交的username查询数据库
        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(Employee::getUsername,employee.getUsername());
        Employee emp = employeeService.getOne(queryWrapper);

//      查询结果为空
        if (emp == null) {
            return R.error("登录失败！");
        }
//      查询密码 进行校验
        if (!emp.getPassword().equals(password)) {
            return R.error("登录失败！");
        }

//        查询员工账号状态 1为正常 0为禁用
        if (emp.getStatus() == 0) {
            return R.error("账号已禁用！");
        }

        request.getSession().setAttribute("employee",emp.getId());

        return R.success(emp);
    }

    @PostMapping("/logout")
    public R<String> logout(HttpServletRequest request) {
        request.getSession().removeAttribute("employee");
        return R.success("退出成功");
    }

    @PostMapping
    public R<String> save(HttpServletRequest request, @RequestBody Employee employee) {

//        设置初始密码，并进行md5进行加密
        employee.setPassword(DigestUtils.md5DigestAsHex("123456".getBytes()));
//        employee.setCreateTime(LocalDateTime.now());
//        employee.setUpdateTime(LocalDateTime.now());

//        Long empId =(Long) request.getSession().getAttribute("employee");
//        employee.setCreateUser(empId);
//        employee.setUpdateUser(empId);
        employeeService.save(employee);

//        try {
//            employeeService.save(employee);
//        } catch (Exception e) {
//            return R.error("添加员工失败！");
//        }

        return R.success("添加员工成功！");
    }

    @GetMapping("/page")
    public R<Page> page(int page,int pageSize,String name) {

        log.info("page={},pageSize={},name={}",page,pageSize,name);

//        分页构造器
        Page pageInfo = new Page(page,pageSize);
//        条件构造器
        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper();
//        添加过滤条件
        queryWrapper.like(StringUtils.isNotEmpty(name),Employee::getName,name);
//        添加排序条件
        queryWrapper.orderByDesc(Employee::getUpdateTime);
//        执行查询
        employeeService.page(pageInfo,queryWrapper);

        return R.success(pageInfo);

    }

    /***
     * 修改员工信息
     * @param request
     * @param employee
     * @return
     */
    @PutMapping
    public R<String> update(HttpServletRequest request, @RequestBody Employee employee) {
        Long empId =(Long) request.getSession().getAttribute("employee");
        employee.setUpdateTime(LocalDateTime.now());
        employee.setUpdateUser(empId);
        employeeService.updateById(employee);
        return R.success("员工信息修改成功!");
    }

    @GetMapping("/{id}")
    public R<Employee> getById(@PathVariable Long id) {
        Employee employee = employeeService.getById(id);
        return R.success(employee);

    }
}
